3 tech in one machine: RF,vaccum,blue LED ... (Blue RF), using 633nm specific wave beam in auxiliary of vacuum negative pressure device, stimulates and rebirths capillary vessel ... glycerin which will be metabolized naturally, achieving the effect of skin-tight, wrinkle removal, fat reducing as well as ... 5 M and 1 M, can best play the role of layer permeability3. No pains, no discharge , safe and ...